Search Data

The AAVSO International Database is a repository of variable star observations contributed by amateur and professional astronomers worldwide. Use the form below to search for observations of specific stars or by specific observers.

Looking for the old WebObs Search? Click here.

Enter list of star names, comma separated.
Enter a date in natural language, jd, or utc format.
Enter a date in natural language, jd, or utc format.
Campaign overrides targets and dates.

Found 863 records.

# Target Observer Julian Date UTC Date Magnitude Type
1308159718 CI HYI HMB 2460689.5113 2025-01-14 00:16 7.940 2
1308159719 CI HYI HMB 2460689.5114 2025-01-14 00:16 7.935 2
1308169474 CI HYI HMB 2460690.5101 2025-01-15 00:14 9.756 2
1308169478 CI HYI HMB 2460690.5102 2025-01-15 00:14 9.798 2
1308169481 CI HYI HMB 2460690.5104 2025-01-15 00:14 11.353 2
1308169484 CI HYI HMB 2460690.5106 2025-01-15 00:15 11.360 2
1308169487 CI HYI HMB 2460690.5108 2025-01-15 00:15 7.948 2
1308169490 CI HYI HMB 2460690.5109 2025-01-15 00:15 7.956 2
1308198695 CI HYI MEMC 2460684.1426 2025-01-08 15:25 11.191 2
1308198698 CI HYI MEMC 2460684.1457 2025-01-08 15:29 5.592 2
1308198700 CI HYI MEMC 2460684.1451 2025-01-08 15:28 8.820 2
1308198703 CI HYI MEMC 2460684.1441 2025-01-08 15:27 9.766 2
1308198718 CI Hyi MEMC 2460688.1396 2025-01-12 15:21 11.245 2
1308206752 CI HYI HMB 2460692.5098 2025-01-17 00:14 9.833 2
1308206753 CI HYI HMB 2460692.5099 2025-01-17 00:14 9.794 2
1308206754 CI HYI HMB 2460692.5101 2025-01-17 00:14 11.392 2
1308206755 CI HYI HMB 2460692.5104 2025-01-17 00:14 11.384 2
1308206756 CI HYI HMB 2460692.5105 2025-01-17 00:15 7.964 2
1308206757 CI HYI HMB 2460692.5107 2025-01-17 00:15 7.978 2
1308223476 CI HYI HMB 2460694.5098 2025-01-19 00:14 9.847 2
1308223477 CI HYI HMB 2460694.5099 2025-01-19 00:14 9.812 2
1308223478 CI HYI HMB 2460694.5101 2025-01-19 00:14 11.409 2
1308223479 CI HYI HMB 2460694.5103 2025-01-19 00:14 11.411 2
1308223480 CI HYI HMB 2460694.5105 2025-01-19 00:15 7.989 2
1308223481 CI HYI HMB 2460694.5106 2025-01-19 00:15 7.973 2